Home / 19,105.02-28,628.23-8,005.63

Finding the Fourth Proportional to 19,105.02, 28,628.23 and 8,005.63

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Solution

The fourth proportional to 19,105.02, 28,628.23 and 8,005.63 is: 11,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.02 : 28,628.23 = 8,005.63 : x
  2. Step 2: Convert to fraction form
    19,105.02/28,628.23 = 8,005.63/x
  3. Step 3: Cross multiply
    19,105.02x = 28,628.23 × 8,005.63
  4. Step 4: Simplify right side
    19,105.02x = 229,187,016.93
  5. Step 5: Solve for x
    x = 229,187,016.93/19,105.02
  6. Step 6: Final answer
    x = 11,996.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.